koraktor

git stash                                                         # Stash changes if any
git symbolic-ref HEAD refs/heads/${NEW_BRANCH}                    # Change head to a new, non-existing ref
git rm -rf .                                                      # Delete files from version control and working directory
rm -r .                                                           # Delete files from file system
git commit --allow-empty -m "Created new branch ${NEW_BRANCH}"    # Commit changes in the new branch

mudge

# UPDATE: The ability to call Proc.new without a block was removed in Ruby 3.0.0
# See https://bugs.ruby-lang.org/issues/10499 for more information.

# So you might have heard that this is slow:
#
#   def some_method(&block)
#     block.call
#   end
#
# Compared to:

henrik

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

51114u9

1. Close Firefox
2. Execute this:

find ~/.mozilla/firefox/ -type f -name '*.sqlite' -exec sqlite3 {} 'VACUUM;' \;

inferno

desc 'List defined routes'
task 'routes' do

  App::routes.each_pair do |method, list|
    puts ":: #{method} ::"
    routes = []
    list.each do |item|
      source = item[0].source
      item[1].each do |s|
        source.sub!(/\(.+?\)/, ':'+s)   

shunchu

t = 236 # seconds
Time.at(t).utc.strftime("%H:%M:%S")
=> "00:03:56"

# Reference
# http://stackoverflow.com/questions/3963930/ruby-rails-how-to-convert-seconds-to-time

cjmeyer

def snake_case
  return downcase if match(/\A[A-Z]+\z/)
  gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2').
  gsub(/([a-z])([A-Z])/, '\1_\2').
  downcase
end

"FooBar".snake_case           #=> "foo_bar"
"HeadlineCNNNews".snake_case  #=> "headline_cnn_news"
"CNN".snake_case              #=> "cnn"

Integralist

hash = { 'foo' => 'bar' }

# Version 1
hash = Hash[hash.map { |k, v| [k.to_sym, v] }]

# Version 2
hash = hash.reduce({}) do |memo, (k, v)| 
  memo.tap { |m| m[k.to_sym] = v }
end

tombh

require 'base64'
require 'openssl'

# Parse SSH keys to be used by OpenSSL lib
# Taken from Zerg Support project.
# See: https://github.com/pwnall/zerg_support/blob/faaa5dd140c95588a1db2a25f6c9d9cacb4f9b0a/lib/zerg_support/open_ssh.rb
module OpenSSHKeyConverter
  # The components in a openssh .pub / known_host RSA public key.
  RSA_COMPONENTS = ['ssh-rsa', :e, :n]
  # The components in a openssh .pub / known_host DSA public key.

kometchtech

[Unit]
Description=Unbound is a validating, recursive, and caching DNS resolver.
After=network.target networking.service

[Service]
Type=simple
ExecStartPre=/usr/local/sbin/unbound-anchor -a /var/unbound/root.key
ExecStartPre=/usr/local/sbin/unbound-checkconf
ExecStart=/usr/local/sbin/unbound -d
LimitNOFILE=102400